docs: def _From(self, t):
          """ Handle "from xyz import foo, bar as baz".
          """
          # fixme: Are From and ImportFrom handled differently?
          self._fill("from ")
          self._write(t.modname)
          self._write(" import ")
          for i, (name,asname) in enumerate(t.names):
              if i != 0:
                  self._write(", ")
              self._write(name)
              if asname is not None:
                  self._write(" as "+asname)